Ni-MH Battery for Spectralink PTB500 PTB450 PTB800 SPT400 NEW Premium Quality
Fit to the device models:Spectralink PTS360, 9031, MDW9030P, MDW9031, PTB600, PTB400, PTB410, PTB450, PTB500, PTB510, PTB610, PTB710, PTB810, PTB81650, PTB410R, SPT400, PTB800. Compatible with the battery part numbers:CPH-502.